/* $Xorg: main.c,v 1.5 2001/02/09 02:03:16 xorgcvs Exp $ */ /* $XdotOrg: xc/config/makedepend/main.c,v 1.4 2005/07/05 19:02:01 alanc Exp $ */ /* Copyright (c) 1993, 1994, 1998 The Open Group Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Except as contained in this notice, the name of The Open Group shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from The Open Group. */ /* $XFree86: xc/config/makedepend/main.c,v 3.31tsi Exp $ */ #include "def.h" #ifdef hpux #define sigvec sigvector #endif /* hpux */ #ifdef X_POSIX_C_SOURCE #define _POSIX_C_SOURCE X_POSIX_C_SOURCE #include <signal.h> #undef _POSIX_C_SOURCE #else #if defined(X_NOT_POSIX) || defined(_POSIX_SOURCE) #include <signal.h> #else #define _POSIX_SOURCE #include <signal.h> #undef _POSIX_SOURCE #endif #endif #include <stdarg.h> #ifdef DEBUG int _debugmask; #endif /* #define DEBUG_DUMP */ #ifdef DEBUG_DUMP #define DBG_PRINT(file, fmt, args) fprintf(file, fmt, args) #else #define DBG_PRINT(file, fmt, args) /* empty */ #endif #define DASH_INC_PRE "#include \"" #define DASH_INC_POST "\"" char *ProgramName; char *directives[] = { "if", "ifdef", "ifndef", "else", "endif", "define", "undef", "include", "line", "pragma", "error", "ident", "sccs", "elif", "eject", "warning", "include_next", NULL }; #define MAKEDEPEND #include "imakemdep.h" /* from config sources */ #undef MAKEDEPEND struct inclist inclist[ MAXFILES ], *inclistp = inclist, *inclistnext = inclist, maininclist; static char *filelist[ MAXFILES ]; char *includedirs[ MAXDIRS + 1 ], **includedirsnext = includedirs; char *notdotdot[ MAXDIRS ]; static int cmdinc_count = 0; static char *cmdinc_list[ 2 * MAXINCFILES ]; char *objprefix = ""; char *objsuffix = OBJSUFFIX; static char *startat = "# DO NOT DELETE"; int width = 78; static boolean append = FALSE; boolean printed = FALSE; boolean verbose = FALSE; boolean show_where_not = FALSE; /* Warn on multiple includes of same file */ boolean warn_multiple = FALSE; static void setfile_cmdinc(struct filepointer *filep, long count, char **list); static void redirect(char *line, char *makefile); static #ifdef RETSIGTYPE RETSIGTYPE #else # ifdef SIGNALRETURNSINT int # else void # endif #endif catch (int sig) { fflush (stdout); fatalerr ("got signal %d\n", sig); } #if defined(USG) || (defined(i386) && defined(SYSV)) || defined(WIN32) || defined(__UNIXOS2__) || defined(Lynx_22) || defined(__CYGWIN__) #define USGISH #endif #ifndef USGISH #ifdef X_NOT_POSIX #define sigaction sigvec #define sa_handler sv_handler #define sa_mask sv_mask #define sa_flags sv_flags #endif struct sigaction sig_act; #endif /* USGISH */ #ifndef USING_AUTOCONF # if !defined(USGISH) && !defined(_SEQUENT_) && !defined(MINIX) # define HAVE_FCHMOD 1 # endif #endif int main(int argc, char *argv[]) { char **fp = filelist; char **incp = includedirs; char *p; struct inclist *ip; char *makefile = NULL; struct filepointer *filecontent; struct symtab *psymp = predefs; char *endmarker = NULL; char *defincdir = NULL; char **undeflist = NULL; int numundefs = 0, i; ProgramName = argv[0]; while (psymp->s_name) { define2(psymp->s_name, psymp->s_value, &maininclist); psymp++; } if (argc == 2 && argv[1][0] == '@') { struct stat ast; int afd; char *args; char **nargv; int nargc; char quotechar = '\0'; nargc = 1; if ((afd = open(argv[1]+1, O_RDONLY)) < 0) fatalerr("cannot open \"%s\"\n", argv[1]+1); fstat(afd, &ast); args = (char *)malloc(ast.st_size + 1); if ((ast.st_size = read(afd, args, ast.st_size)) < 0) fatalerr("failed to read %s\n", argv[1]+1); args[ast.st_size] = '\0'; close(afd); for (p = args; *p; p++) { if (quotechar) { if (quotechar == '\\' || (*p == quotechar && p[-1] != '\\')) quotechar = '\0'; continue; } switch (*p) { case '\\': case '"': case '\'': quotechar = *p; break; case ' ': case '\n': *p = '\0'; if (p > args && p[-1]) nargc++; break; } } if (p[-1]) nargc++; nargv = (char **)malloc(nargc * sizeof(char *)); nargv[0] = argv[0]; argc = 1; for (p = args; argc < nargc; p += strlen(p) + 1) if (*p) nargv[argc++] = p; argv = nargv; } for(argc--, argv++; argc; argc--, argv++) { /* if looking for endmarker then check before parsing */ if (endmarker && strcmp (endmarker, *argv) == 0) { endmarker = NULL; continue; } if (**argv != '-') { /* treat +thing as an option for C++ */ if (endmarker && **argv == '+') continue; *fp++ = argv[0]; continue; } switch(argv[0][1]) { case '-': endmarker = &argv[0][2]; if (endmarker[0] == '\0') endmarker = "--"; break; case 'D': if (argv[0][2] == '\0') { argv++; argc--; } for (p=argv[0] + 2; *p ; p++) if (*p == '=') { *p = ' '; break; } define(argv[0] + 2, &maininclist); break; case 'I': if (incp >= includedirs + MAXDIRS) fatalerr("Too many -I flags.\n"); *incp++ = argv[0]+2; if (**(incp-1) == '\0') { *(incp-1) = *(++argv); argc--; } break; case 'U': /* Undef's override all -D's so save them up */ numundefs++; if (numundefs == 1) undeflist = malloc(sizeof(char *)); else undeflist = realloc(undeflist, numundefs * sizeof(char *)); if (argv[0][2] == '\0') { argv++; argc--; } undeflist[numundefs - 1] = argv[0] + 2; break; case 'Y': defincdir = argv[0]+2; break; /* do not use if endmarker processing */ case 'a': if (endmarker) break; append = TRUE; break; case 'w': if (endmarker) break; if (argv[0][2] == '\0') { argv++; argc--; width = atoi(argv[0]); } else width = atoi(argv[0]+2); break; case 'o': if (endmarker) break; if (argv[0][2] == '\0') { argv++; argc--; objsuffix = argv[0]; } else objsuffix = argv[0]+2; break; case 'p': if (endmarker) break; if (argv[0][2] == '\0') { argv++; argc--; objprefix = argv[0]; } else objprefix = argv[0]+2; break; case 'v': if (endmarker) break; verbose = TRUE; #ifdef DEBUG if (argv[0][2]) _debugmask = atoi(argv[0]+2); #endif break; case 's': if (endmarker) break; startat = argv[0]+2; if (*startat == '\0') { startat = *(++argv); argc--; } if (*startat != '#') fatalerr("-s flag's value should start %s\n", "with '#'."); break; case 'f': if (endmarker) break; makefile = argv[0]+2; if (*makefile == '\0') { makefile = *(++argv); argc--; } break; case 'm': warn_multiple = TRUE; break; /* Ignore -O, -g so we can just pass ${CFLAGS} to makedepend */ case 'O': case 'g': break; case 'i': if (strcmp(&argv[0][1],"include") == 0) { char *buf; if (argc<2) fatalerr("option -include is a " "missing its parameter\n"); if (cmdinc_count >= MAXINCFILES) fatalerr("Too many -include flags.\n"); argc--; argv++; buf = malloc(strlen(DASH_INC_PRE) + strlen(argv[0]) + strlen(DASH_INC_POST) + 1); if(!buf) fatalerr("out of memory at " "-include string\n"); cmdinc_list[2 * cmdinc_count + 0] = argv[0]; cmdinc_list[2 * cmdinc_count + 1] = buf; cmdinc_count++; break; } /* intentional fall through */ default: if (endmarker) break; /* fatalerr("unknown opt = %s\n", argv[0]); */ warning("ignoring option %s\n", argv[0]); } } /* Now do the undefs from the command line */ for (i = 0; i < numundefs; i++) undefine(undeflist[i], &maininclist); if (numundefs > 0) free(undeflist); if (!defincdir) { #ifdef PREINCDIR if (incp >= includedirs + MAXDIRS) fatalerr("Too many -I flags.\n"); *incp++ = PREINCDIR; #endif #ifdef __UNIXOS2__ { char *emxinc = getenv("C_INCLUDE_PATH"); /* can have more than one component */ if (emxinc) { char *beg, *end; beg= (char*)strdup(emxinc); for (;;) { end = (char*)strchr(beg,';'); if (end) *end = 0; if (incp >= includedirs + MAXDIRS) fatalerr("Too many include dirs\n"); *incp++ = beg; if (!end) break; beg = end+1; } } } #else /* !__UNIXOS2__, does not use INCLUDEDIR at all */ if (incp >= includedirs + MAXDIRS) fatalerr("Too many -I flags.\n"); *incp++ = INCLUDEDIR; #endif #ifdef EXTRAINCDIR if (incp >= includedirs + MAXDIRS) fatalerr("Too many -I flags.\n"); *incp++ = EXTRAINCDIR; #endif #ifdef POSTINCDIR if (incp >= includedirs + MAXDIRS) fatalerr("Too many -I flags.\n"); *incp++ = POSTINCDIR; #endif } else if (*defincdir) { if (incp >= includedirs + MAXDIRS) fatalerr("Too many -I flags.\n"); *incp++ = defincdir; } redirect(startat, makefile); /* * catch signals. */ #ifdef USGISH /* should really reset SIGINT to SIG_IGN if it was. */ #ifdef SIGHUP signal (SIGHUP, catch); #endif signal (SIGINT, catch); #ifdef SIGQUIT signal (SIGQUIT, catch); #endif signal (SIGILL, catch); #ifdef SIGBUS signal (SIGBUS, catch); #endif signal (SIGSEGV, catch); #ifdef SIGSYS signal (SIGSYS, catch); #endif #else sig_act.sa_handler = catch; #if defined(_POSIX_SOURCE) || !defined(X_NOT_POSIX) sigemptyset(&sig_act.sa_mask); sigaddset(&sig_act.sa_mask, SIGINT); sigaddset(&sig_act.sa_mask, SIGQUIT); #ifdef SIGBUS sigaddset(&sig_act.sa_mask, SIGBUS); #endif sigaddset(&sig_act.sa_mask, SIGILL); sigaddset(&sig_act.sa_mask, SIGSEGV); sigaddset(&sig_act.sa_mask, SIGHUP); sigaddset(&sig_act.sa_mask, SIGPIPE); #ifdef SIGSYS sigaddset(&sig_act.sa_mask, SIGSYS); #endif #else sig_act.sa_mask = ((1<<(SIGINT -1)) |(1<<(SIGQUIT-1)) #ifdef SIGBUS |(1<<(SIGBUS-1)) #endif |(1<<(SIGILL-1)) |(1<<(SIGSEGV-1)) |(1<<(SIGHUP-1)) |(1<<(SIGPIPE-1)) #ifdef SIGSYS |(1<<(SIGSYS-1)) #endif ); #endif /* _POSIX_SOURCE */ sig_act.sa_flags = 0; sigaction(SIGHUP, &sig_act, (struct sigaction *)0); sigaction(SIGINT, &sig_act, (struct sigaction *)0); sigaction(SIGQUIT, &sig_act, (struct sigaction *)0); sigaction(SIGILL, &sig_act, (struct sigaction *)0); #ifdef SIGBUS sigaction(SIGBUS, &sig_act, (struct sigaction *)0); #endif sigaction(SIGSEGV, &sig_act, (struct sigaction *)0); #ifdef SIGSYS sigaction(SIGSYS, &sig_act, (struct sigaction *)0); #endif #endif /* USGISH */ /* * now peruse through the list of files. */ for(fp=filelist; *fp; fp++) { DBG_PRINT(stderr,"file: %s\n",*fp); filecontent = getfile(*fp); setfile_cmdinc(filecontent, cmdinc_count, cmdinc_list); ip = newinclude(*fp, (char *)NULL); find_includes(filecontent, ip, ip, 0, FALSE); freefile(filecontent); recursive_pr_include(ip, ip->i_file, base_name(*fp)); inc_clean(); } if (printed) printf("\n"); return 0; } #ifdef __UNIXOS2__ /* * eliminate \r chars from file */ static int elim_cr(char *buf, int sz) { int i,wp; for (i= wp = 0; i<sz; i++) { if (buf[i] != '\r') buf[wp++] = buf[i]; } return wp; } #endif struct filepointer * getfile(char *file) { int fd; struct filepointer *content; struct stat st; content = (struct filepointer *)malloc(sizeof(struct filepointer)); content->f_name = file; if ((fd = open(file, O_RDONLY)) < 0) { warning("cannot open \"%s\"\n", file); content->f_p = content->f_base = content->f_end = (char *)malloc(1); *content->f_p = '\0'; return(content); } fstat(fd, &st); content->f_base = (char *)malloc(st.st_size+1); if (content->f_base == NULL) fatalerr("cannot allocate mem\n"); if ((st.st_size = read(fd, content->f_base, st.st_size)) < 0) fatalerr("failed to read %s\n", file); #ifdef __UNIXOS2__ st.st_size = elim_cr(content->f_base,st.st_size); #endif close(fd); content->f_len = st.st_size+1; content->f_p = content->f_base; content->f_end = content->f_base + st.st_size; *content->f_end = '\0'; content->f_line = 0; content->cmdinc_count = 0; content->cmdinc_list = NULL; content->cmdinc_line = 0; return(content); } void setfile_cmdinc(struct filepointer* filep, long count, char** list) { filep->cmdinc_count = count; filep->cmdinc_list = list; filep->cmdinc_line = 0; } void freefile(struct filepointer *fp) { free(fp->f_base); free(fp); } char *copy(char *str) { char *p = (char *)malloc(strlen(str) + 1); strcpy(p, str); return(p); } int match(char *str, char **list) { int i; for (i=0; *list; i++, list++) if (strcmp(str, *list) == 0) return(i); return(-1); } /* * Get the next line. We only return lines beginning with '#' since that * is all this program is ever interested in. */ char *getnextline(struct filepointer *filep) { char *p, /* walking pointer */ *eof, /* end of file pointer */ *bol; /* beginning of line pointer */ int lineno; /* line number */ boolean whitespace = FALSE; /* * Fake the "-include" line files in form of #include to the * start of each file. */ if (filep->cmdinc_line < filep->cmdinc_count) { char *inc = filep->cmdinc_list[2 * filep->cmdinc_line + 0]; char *buf = filep->cmdinc_list[2 * filep->cmdinc_line + 1]; filep->cmdinc_line++; sprintf(buf,"%s%s%s",DASH_INC_PRE,inc,DASH_INC_POST); DBG_PRINT(stderr,"%s\n",buf); return(buf); } p = filep->f_p; eof = filep->f_end; if (p >= eof) return((char *)NULL); lineno = filep->f_line; for (bol = p--; ++p < eof; ) { if ((bol == p) && ((*p == ' ') || (*p == '\t'))) { /* Consume leading white-spaces for this line */ while (((p+1) < eof) && ((*p == ' ') || (*p == '\t'))) { p++; bol++; } whitespace = TRUE; } if (*p == '/' && (p+1) < eof && *(p+1) == '*') { /* Consume C comments */ *(p++) = ' '; *(p++) = ' '; while (p < eof && *p) { if (*p == '*' && (p+1) < eof && *(p+1) == '/') { *(p++) = ' '; *(p++) = ' '; break; } if (*p == '\n') lineno++; *(p++) = ' '; } --p; } else if (*p == '/' && (p+1) < eof && *(p+1) == '/') { /* Consume C++ comments */ *(p++) = ' '; *(p++) = ' '; while (p < eof && *p) { if (*p == '\\' && (p+1) < eof && *(p+1) == '\n') { *(p++) = ' '; lineno++; } else if (*p == '?' && (p+3) < eof && *(p+1) == '?' && *(p+2) == '/' && *(p+3) == '\n') { *(p++) = ' '; *(p++) = ' '; *(p++) = ' '; lineno++; } else if (*p == '\n') break; /* to process end of line */ *(p++) = ' '; } --p; } else if (*p == '\\' && (p+1) < eof && *(p+1) == '\n') { /* Consume backslash line terminations */ *(p++) = ' '; *p = ' '; lineno++; } else if (*p == '?' && (p+3) < eof && *(p+1) == '?' && *(p+2) == '/' && *(p+3) == '\n') { /* Consume trigraph'ed backslash line terminations */ *(p++) = ' '; *(p++) = ' '; *(p++) = ' '; *p = ' '; lineno++; } else if (*p == '\n') { lineno++; if (*bol == '#') { char *cp; *(p++) = '\0'; /* punt lines with just # (yacc generated) */ for (cp = bol+1; *cp && (*cp == ' ' || *cp == '\t'); cp++); if (*cp) goto done; --p; } bol = p+1; whitespace = FALSE; } } if (*bol != '#') bol = NULL; done: filep->f_p = p; filep->f_line = lineno; #ifdef DEBUG_DUMP if (bol) DBG_PRINT(stderr,"%s\n",bol); #endif return(bol); } /* * Strip the file name down to what we want to see in the Makefile. * It will have objprefix and objsuffix around it. */ char *base_name(char *file) { char *p; file = copy(file); for(p=file+strlen(file); p>file && *p != '.'; p--) ; if (*p == '.') *p = '\0'; return(file); } #ifdef USING_AUTOCONF # ifndef HAVE_RENAME # define NEED_RENAME # endif #else /* Imake configured, check known OS'es without rename() */ # if defined(USG) && !defined(SVR4) && !defined(__UNIXOS2__) && !defined(clipper) && !defined(__clipper__) # define NEED_RENAME # endif #endif #ifdef NEED_RENAME int rename (char *from, char *to) { (void) unlink (to); if (link (from, to) == 0) { unlink (from); return 0; } else { return -1; } } #endif /* NEED_RENAME */ void redirect(char *line, char *makefile) { struct stat st; FILE *fdin, *fdout; char backup[ BUFSIZ ], buf[ BUFSIZ ]; boolean found = FALSE; int len; /* * if makefile is "-" then let it pour onto stdout. */ if (makefile && *makefile == '-' && *(makefile+1) == '\0') { puts(line); return; } /* * use a default makefile is not specified. */ if (!makefile) { if (stat("Makefile", &st) == 0) makefile = "Makefile"; else if (stat("makefile", &st) == 0) makefile = "makefile"; else fatalerr("[mM]akefile is not present\n"); } else stat(makefile, &st); if ((fdin = fopen(makefile, "r")) == NULL) fatalerr("cannot open \"%s\"\n", makefile); sprintf(backup, "%s.bak", makefile); unlink(backup); #if defined(WIN32) || defined(__UNIXOS2__) || defined(__CYGWIN__) fclose(fdin); #endif if (rename(makefile, backup) < 0) fatalerr("cannot rename %s to %s\n", makefile, backup); #if defined(WIN32) || defined(__UNIXOS2__) || defined(__CYGWIN__) if ((fdin = fopen(backup, "r")) == NULL) fatalerr("cannot open \"%s\"\n", backup); #endif if ((fdout = freopen(makefile, "w", stdout)) == NULL) fatalerr("cannot open \"%s\"\n", backup); len = strlen(line); while (!found && fgets(buf, BUFSIZ, fdin)) { if (*buf == '#' && strncmp(line, buf, len) == 0) found = TRUE; fputs(buf, fdout); } if (!found) { if (verbose) warning("Adding new delimiting line \"%s\" and dependencies...\n", line); puts(line); /* same as fputs(fdout); but with newline */ } else if (append) { while (fgets(buf, BUFSIZ, fdin)) { fputs(buf, fdout); } } fflush(fdout); #ifndef HAVE_FCHMOD chmod(makefile, st.st_mode); #else fchmod(fileno(fdout), st.st_mode); #endif /* HAVE_FCHMOD */ } void fatalerr(char *msg, ...) { va_list args; fprintf(stderr, "%s: error: ", ProgramName); va_start(args, msg); vfprintf(stderr, msg, args); va_end(args); exit (1); } void warning(char *msg, ...) { va_list args; fprintf(stderr, "%s: warning: ", ProgramName); va_start(args, msg); vfprintf(stderr, msg, args); va_end(args); } void warning1(char *msg, ...) { va_list args; va_start(args, msg); vfprintf(stderr, msg, args); va_end(args); }